2 people agreed with this answer. Int is converted to a number, which is an integer. For example, 1 float is also converted to a number, but the decimal point is retained. For example, 1.1 str is converted from a number to a string, such as 4 is converted to '4'. Use __str__ if you have a class, and you'll want an. Background STR (short tandem repeat) refers to a special pattern that exists in DNA sequences, that is, a repeated arrangement of a shorter nucleotide sequence. In terms of individual identification, str detection is widely used in the field of forensic medicine.
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Is one of them getting deprecated? __str__ if you print an object, or pass it to format, str.format, or str, then if a __str__ method is defined, that method will be called, otherwise, __repr__ will be used. In your example, you function is expecting ham of type str, and eggs of type str (defaulting to eggs).
Why does rust have both string and str?
What are the differences between them, and when should one be used over the other? The bottom layer of Str () is actually the following two special methods, which will call one of them according to the situation: __str__ The default preferred method. __repr__, a fallback, used when there is no __str__ method. We rewrite the above class as:
